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  1. #1
    Elite Member
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    John Deere 2320

    Default Changing out Power Steering Fluid on Ram

    I am in the process of changing out my power steering fluid on my Dodge Ram 2500 truck.. I have been sucking out 6 oz or so at a time and then refilling. Then I run it for a few days and lather, rinse, repeat.. So far I have ran thru 2 quarts of PS fluid and it is still VERY dark looking (dark enough you cant see sunlight thru it)..

    It is a 2002 truck and the PS fluid has never been changed. I am going back with a synthetic because in low temps the brakes/ps really growl until it warms up..

    Roughly how many quarts do I need to exchange to get mostly new stuff? Any ideas?

    Thanks

    Brian
    Bedford, VA
    2320 w/ 62D MMM, 200CX FEL, Pats EZ Change, LX4 Cutter
    Co-owner (with my father) of John Deere 790, 30 HP, 4x4, 513 cutter, 70 FEL
    2012 Nissan Xterra Pro-4x

  2. #2
    Gold Member WantedWolf's Avatar
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    Nov 2008
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    South Alberta
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    ditch witch 6510

    Default Re: Changing out Power Steering Fluid on Ram

    do you know it was synthetic in the system originally? If not flush at least the steering gear, its not to bad from below to get the 2 lines off, but inspect the old washers or just use new washers when you put lines back.

    You must be getting close though, I might not be much help because my new steering gear came prefilled but I only added 1 quart after installing it.

    The gear case couldnt hold more that 2qt itself

  3. #3
    Elite Member
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    John Deere 2320

    Default Re: Changing out Power Steering Fluid on Ram

    It was not synthetic in it originally.. During really cold weather (at least for around here) it really thickens up and groans badly..

    Brian
    Bedford, VA
    2320 w/ 62D MMM, 200CX FEL, Pats EZ Change, LX4 Cutter
    Co-owner (with my father) of John Deere 790, 30 HP, 4x4, 513 cutter, 70 FEL
    2012 Nissan Xterra Pro-4x

  4. #4
    Elite Member
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    Jul 2006
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    Meridian Idaho
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    Kubota B7100D

    Default Re: Changing out Power Steering Fluid on Ram

    I sort of attempted this on my wife's Honda. I jacked up the front and put it on jackstands. Then disconnected the return line to the reservoir and re-routed it to a milk jug. I then plugged off where the return went into the reservoir and filled with clean fluid. What I had read was to do all this, then start the car and turn the steering lock-to-lock at least once, until you get more or less clear fluid out. Well, the PS pump is a hyd pump, it went through that new fluid about as fast as I could start the engine. and the Honda stuff is $$$$$ I used about 3 pints and the fluid, while looking better, is still pretty dark.

    If you could rig up a gallon or so reservoir and be quick about the steering you might make it

  5. #5
    Elite Member
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    John Deere 2320

    Default Re: Changing out Power Steering Fluid on Ram

    I finally sorta/kinda found an answer.. It appears that the steering held about 1 qt, then I found an excel spreadsheet from 'bob is the oil guy' showing the percentage of mix you get with each flush (designed for drain and replace of transmission flushing)..

    it appears that using 2 qtrs of new fluid (replacing 6oz at a time) will give me about a 90% new fluid after 11 exchanges.

    Brian
    Bedford, VA
    2320 w/ 62D MMM, 200CX FEL, Pats EZ Change, LX4 Cutter
    Co-owner (with my father) of John Deere 790, 30 HP, 4x4, 513 cutter, 70 FEL
    2012 Nissan Xterra Pro-4x

  6. #6
    Veteran Member carpenter383's Avatar
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    Dec 2008
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    Indiana
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    Kioti DK40SE

    Default Re: Changing out Power Steering Fluid on Ram

    I've always just used ATF in power steering pumps it's cheaper.
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  7. #7
    Elite Member
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    John Deere 2320

    Default Re: Changing out Power Steering Fluid on Ram

    Quote Originally Posted by carpenter383 View Post
    I've always just used ATF in power steering pumps it's cheaper.
    My manual calls for PS fluid and it also said specifically that AFT was not to be used.. starting in 2003 and later I think they use ATF though..

    Brian
    Bedford, VA
    2320 w/ 62D MMM, 200CX FEL, Pats EZ Change, LX4 Cutter
    Co-owner (with my father) of John Deere 790, 30 HP, 4x4, 513 cutter, 70 FEL
    2012 Nissan Xterra Pro-4x

  8. #8
    Silver Member
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    Dec 2005
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    226
    Location
    SE PA
    Tractor
    bx1500

    Default Re: Changing out Power Steering Fluid on Ram

    most Chryslers and Dodges have been switching over to atf +4, but you should check the dealer service bulletin for power steering fluid usagle for specific model. I remove the return line at the pump and plumb into catch jug as stated in an earlier post. But I disable the ignition so the vehicle does not start. I have a assistant crank the vehicle, and pour some lean fluid into the reservoir as fast as it is pumped into the catch jug. I don't recommend running the engine and letting the pump run dry, as the pump vanes can be damaged/scored easily. Usually a couple quarts will be enough.

  9. #9
    Elite Member DieselPower's Avatar
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    Fairfield, PA
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    JD 3020, JD 4230, JD 7410, JD 2440, MF 750, NH LS170

    Default Re: Changing out Power Steering Fluid on Ram

    What, all you tractor guy's here and no one uses UTF? I have been using high quality UTF as power steering fluid for years. It has a better additive package than regular power steering fluid and is really good at quieting down noisy pumps. ATF also makes a good replacement for power steering fluid. All are hydraulic fluids, some with better additive packages than others. I personally prefer UTF over ATF because of it's slightly heavier viscosity.

  10. #10
    Silver Member
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    Dec 2005
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    Location
    NW UP of Michigan
    Tractor
    L3540HSTC-3 B7100DT Ford 9n

    Default Re: Changing out Power Steering Fluid on Ram

    I have a 97 Dodge 2500 diesel. I use a turkey baster with a clamp on it or a differential filler (looks like a grease gun).

    I can get about 11 oz out of it at a time. I use Valvoline 50/50 dino & synthetic power steering fluid.

    This has worked for me to take the groan out of the power steering.

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